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AN2683 数据表(PDF) 13 Page - STMicroelectronics

部件名 AN2683
功能描述  Compact dual output point of load converter
PDF  38 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

AN2683 数据表(HTML) 13 Page - STMicroelectronics

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AN2683
Circuit description
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The first component to be dimensioned in the virtual ESR network is Cint as shown in
Figure 3 below. Before this can be done the corner frequency (fz) of the output capacitor
must be determined by:
Equation 22
Figure 3.
Components of virtual ESR network
for output 1:
Equation 23
f
Z
1
2
πC
outESRtot
-------------------------------------
=
1
2
π 47µF67mΩ
⋅⋅
---------------------------------------------------
50.56kHz
=



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